Lady GaGa's hit single "Poker Face" is on the 最佳, 返回页首 of the United World year-end singles chart, which means it was the best-selling song of 2009 in the world! Gaga is also the only artist to have FIVE songs on the list! Congratulations!
1) Lady GaGa – Poker Face
2) Black Eyed Peas – I Gotta Feeling
3) Black Eyed Peas – Boom Boom Pow
4) Flo Rida – Right Round
5) Lady GaGa – Just Dance
6) 碧昂斯 – Halo
7) Pitbull – I Know 你 Want Me
8) David Guetta – Sexy Bitch
9) Kings Of Leon – Use Somebody
10) Katy Perry – Hot N Cold
11) Taylor 迅速, 斯威夫特 – 爱情 Story
12) Lady GaGa – Paparazzi
13) Kelly Clarkson – My Life Would Suck…
14) David Guetta – When 爱情 Takes Over
15) Jason Mraz – I'm Yours
16) 松鸦, 杰伊, 杰伊 · Sean – Down
17) T.I. – Dead And Gone
18) 杰·J – Empire State Of Mind
19) All-American Rejects – Gives 你 Hell
20) Miley Cyrus – Party In The U.S.A.     21) Taylor 迅速, 斯威夫特 – 你 Belong With Me
22) 夏奇拉 – She Wolf/Loba
23) Black Eyed Peas – Meet Me Halfway
24) Kid Cudi – 日 'n' Nite
25) 杰·J – Run This Town
26) Keri Hilson – Knock 你 Down
27) Lady GaGa – Bad Romance
28) 碧昂斯 – Single Ladies
29) 粉, 粉色 – Sober
30) Jason DeRulo – Watcha Say
31) Miley Cyrus – The Climb
32) Britney Spears – Circus
33) 粉, 粉色 – Please Don't Leave Me
34) Cascada – Evacuate The Dancefloor
35) Sean Kingston – 火, 消防 Burning
36) Lady GaGa – LoveGame
37) 麦当娜 – Celebration
38) 凯莎 – TiK ToK
39) Soulja Boy – 吻乐队（Kiss） Me Thru The Phone
40) Kanye West – Heartless